/**
 * Navit, a modular navigation system.
 * Copyright (C) 2005-2008 Navit Team
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * version 2 as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the
 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA  02110-1301, USA.
 */

#include <glib.h>
#include <string.h>
#include "debug.h"
#include "gui.h"
#include "menu.h"
#include "data_window.h"
#include "item.h"
#include "plugin.h"

struct gui {
	struct gui_methods meth;
	struct gui_priv *priv;
	struct attr **attrs;
};

struct gui *
gui_new(struct attr *parent, struct attr **attrs)
{
	struct gui *this_;
	struct attr *type_attr;
	struct gui_priv *(*guitype_new)(struct navit *nav, struct gui_methods *meth, struct attr **attrs);
	if (! (type_attr=attr_search(attrs, NULL, attr_type))) {
		return NULL;
	}

        guitype_new=plugin_get_gui_type(type_attr->u.str);
        if (! guitype_new)
                return NULL;

	this_=g_new0(struct gui, 1);
	this_->priv=guitype_new(parent->u.navit, &this_->meth, attrs);
	this_->attrs=attr_list_dup(attrs);
	return this_;
}

int
gui_get_attr(struct gui *this_, enum attr_type type, struct attr *attr, struct attr_iter *iter)
{
	return attr_generic_get_attr(this_->attrs, NULL, type, attr, iter);
}

struct menu *
gui_menubar_new(struct gui *gui)
{
	struct menu *this_;
	if (! gui->meth.menubar_new)
		return NULL;
	this_=g_new0(struct menu, 1);
	this_->priv=gui->meth.menubar_new(gui->priv, &this_->meth);
	if (! this_->priv) {
		g_free(this_);
		return NULL;
	}
	return this_;
}

struct menu *
gui_popup_new(struct gui *gui)
{
	struct menu *this_;
	if (! gui->meth.popup_new)
		return NULL;
	this_=g_new0(struct menu, 1);
	this_->priv=gui->meth.popup_new(gui->priv, &this_->meth);
	if (! this_->priv) {
		g_free(this_);
		return NULL;
	}
	return this_;
}

struct datawindow *
gui_datawindow_new(struct gui *gui, char *name, struct callback *click, struct callback *close)
{
	struct datawindow *this_;
	if (! gui->meth.datawindow_new)
		return NULL;
	this_=g_new0(struct datawindow, 1);
	this_->priv=gui->meth.datawindow_new(gui->priv, name, click, close, &this_->meth);
	if (! this_->priv) {
		g_free(this_);
		return NULL;
	}
	return this_;
}

int
gui_add_bookmark(struct gui *gui, struct pcoord *c, char *description)
{
	int ret;
	dbg(2,"enter\n");
	if (! gui->meth.add_bookmark)
		return 0;
	ret=gui->meth.add_bookmark(gui->priv, c, description);
	
	dbg(2,"ret=%d\n", ret);
	return ret;
}

int
gui_set_graphics(struct gui *this_, struct graphics *gra)
{
	if (! this_->meth.set_graphics)
		return 1;
	return this_->meth.set_graphics(this_->priv, gra);
}

int
gui_has_main_loop(struct gui *this_)
{
	if (! this_->meth.run_main_loop)
		return 0;
	return 1;
}

int
gui_run_main_loop(struct gui *this_)
{
	if (! gui_has_main_loop(this_))
		return 1;
	return this_->meth.run_main_loop(this_->priv);
}